The effect of partial denture clasp design on abutment tooth movement.

Abstract A method of observing in the laboratory, the movement of abutment teeth supporting a mandibular removable partial denture was evaluated. The results show this testing design to be reliable. Four different clasp assemblies were compared as to their effect on abutment tooth movement. A statistical analysis of the data showed that Casting No. 3 (Fig. 6) caused significantly greater abutment tooth movement than did the other clasp assemblies tested.

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